MAN0923_Issue 3_04/15
Touchpoint Pro
Operating Instructions
213
16. Appendix 3 - Wiring Diagrams
16.3 AIM 4-20 mA with 3 Wire Device Powered by External Power Supply
External 24V
Supply
Recommended Cable:
2 Core, Twisted, Mesh Type
Shielded, 1.5mm
2
or 2.5mm
2
+24V DC
GND
AIM mA Module
3 Wire Detector
4-20mA
Notes:
1. For all shielded cables, shield (screen) should be connected to Earth tag bar/bus bar provided in Touchpoint Pro enclosure.
2. A separate enclosure/ provision should be considered for mounting of external power supply and its field wiring.
E
Channel 1
+24VDC
0VDC
101
Ω
+V
-V
SIG
1
2
3
Channel 2
+24VDC
0VDC
101
Ω
+V
-V
SIG
4
5
6
Channel 3
+24VDC
0VDC
101
Ω
+V
-V
SIG
7
8
9
Channel 4
+24VDC
0VDC
101
Ω
+V
-V
SIG
10
11
12
3 Wire Detector
4-20mA
3 Wire Detector
4-20mA
3 Wire Detector
4-20mA
